Portable milligram scale



FIG. 1 is a front elevational view of a portable milligram scale showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view where the portable milligram scale is in a closed state;

FIG. 8 is another perspective view where the portable milligram scale is in the closed state;

FIG. 9 is another perspective view where the portable milligram scale is in an open state; and,

FIG. 10 is a front elevational view thereof.

The broken lines illustrate portions of the portable milligram scale that form no part of the claimed design. 

CLAIM The ornamental design for a portable milligram scale, as shown and described. 